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Voltage Regulators - DC DC Switching Regulators

Manufacturer Series Package/Case Packaging Part Status Function Output Configuration Output Type Number of Outputs Voltage - Input (Min) Topology Voltage - Input (Max) Voltage - Output (Min/Fixed) Voltage - Output (Max) Current - Output Frequency - Switching Qualification Synchronous Rectifier Grade Operating Temperature Mounting Style Supplier Device 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Photo Mfr. Part # Availability Price Quantity Datasheet Series Package/Case Packaging Part Status Function Output Configuration Output Type Number of Outputs Voltage - Input (Min) Topology Voltage - Input (Max) Voltage - Output (Min/Fixed) Voltage - Output (Max) Current - Output Frequency - Switching Qualification Synchronous Rectifier Grade Operating Temperature Mounting Style Supplier Device Package
LM2596SX-3.3/NOPB

LM2596SX-3.3/NOPB

IC REG BUCK 3.3V 3A TO263

Texas Instruments

2,797
LM2596SX-3.3/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tape & Reel (TR) Active Step-Down Positive Fixed 1 4.5V Buck 40V 3.3V - 3A 150kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263 (DDPAK-5)
LM2596SX-ADJ/NOPB

LM2596SX-ADJ/NOPB

IC REG BUCK ADJ 3A TO263

Texas Instruments

1,941
LM2596SX-ADJ/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 40V 1.2V 37V 3A 150kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263 (DDPAK-5)
LM2596SX-5.0/NOPB

LM2596SX-5.0/NOPB

IC REG BUCK 5V 3A TO263

Texas Instruments

699
LM2596SX-5.0/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tape & Reel (TR) Active Step-Down Positive Fixed 1 4.5V Buck 40V 5V - 3A 150kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263 (DDPAK-5)
IR38164MTRPBFAUMA1

IR38164MTRPBFAUMA1

IC REG BUCK ADJ 30A 24PQFN

Infineon Technologies

2,692
IR38164MTRPBFAUMA1

Datasheet

- 24-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 1.5V Buck 16V 0.5V 14V 30A 500kHz ~ 1.5MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 24-PQFN (5x7)
LM3102QMHX/NOPB

LM3102QMHX/NOPB

IC REG BUCK ADJ 2.5A 20HTSSOP

Texas Instruments

2,262
LM3102QMHX/NOPB

Datasheet

SIMPLE SWITCHER® 20-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 42V 0.8V 7V 2.5A Up to 1MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount 20-HTSSOP
TPS54560BQDDARQ1

TPS54560BQDDARQ1

IC REG BCK SPLIT RAIL ADJ 8SOPWR

Texas Instruments

1,566
TPS54560BQDDARQ1

Datasheet

Eco-Mode™ 8-PowerSOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck, Split Rail 60V 0.8V 58.8V 5A 100kHz ~ 2.5MHz AEC-Q100 No Automotive -40°C ~ 150°C (TJ) Surface Mount 8-SO PowerPad
MAX860ESA+

MAX860ESA+

IC REG CHARG PUMP INV 50MA 8SOIC

Analog Devices Inc./Maxim Integrated

566
MAX860ESA+

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Ratiometric Positive or Negative Fixed 1 1.5V, 2.5V Charge Pump 5.5V -Vin, 2Vin - 50mA 6kHz, 50kHz, 130kHz - No - -40°C ~ 85°C (TA) Surface Mount 8-SOIC
MP2147GD-Z

MP2147GD-Z

IC REG BUCK ADJ 4A 12QFN

Monolithic Power Systems Inc.

6,270
MP2147GD-Z

Datasheet

- 12-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.8V Buck 5.5V 0.6V 5.5V 4A 1.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 12-QFN (2x3)
LTC3549EDCB#TRMPBF

LTC3549EDCB#TRMPBF

IC REG BUCK ADJ 250MA 6DFN

Analog Devices Inc.

3,000
LTC3549EDCB#TRMPBF

Datasheet

- 6-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 1.6V Buck 5.5V 0.611V 5.5V 250mA 2.25MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 6-DFN (2x3)
LTC3549EDCB#TRPBF

LTC3549EDCB#TRPBF

IC REG BUCK ADJ 250MA 6DFN

Analog Devices Inc.

2,979
LTC3549EDCB#TRPBF

Datasheet

- 6-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 1.6V Buck 5.5V 0.611V 5.5V 250mA 2.25MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 6-DFN (2x3)
LM22677TJ-ADJ/NOPB

LM22677TJ-ADJ/NOPB

IC REG BUCK ADJ 5A TO263-7

Texas Instruments

1,906
LM22677TJ-ADJ/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-7 Thin Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 42V 1.285V 37V 5A 500kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263-7 Thin
NCV891330PD50R2G

NCV891330PD50R2G

IC REG BUCK 5V 3A 8SOIC

onsemi

4,924
NCV891330PD50R2G

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 3.7V Buck 36V 5V - 3A 2MHz AEC-Q100 No Automotive -40°C ~ 150°C (TJ) Surface Mount 8-SOIC-EP
LT3494EDDB#TRMPBF

LT3494EDDB#TRMPBF

IC REG BOOST ADJ 115MA 8DFN

Analog Devices Inc.

21,473
LT3494EDDB#TRMPBF

Datasheet

- 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up Positive Adjustable 1 2.3V Boost 16V 2.3V 40V (Switch) 115mA (Switch) - - No - -40°C ~ 85°C (TA) Surface Mount 8-DFN (3x2)
LT3494AEDDB#TRPBF

LT3494AEDDB#TRPBF

IC REG BOOST ADJ 225MA 8DFN

Analog Devices Inc.

11,647
LT3494AEDDB#TRPBF

Datasheet

- 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up Positive Adjustable 1 2.3V Boost 16V 2.3V 40V (Switch) 225mA (Switch) - - No - -40°C ~ 85°C (TA) Surface Mount 8-DFN (3x2)
LT8607EDC#TRPBF

LT8607EDC#TRPBF

IC REG BUCK ADJ 750MA 8DFN

Analog Devices Inc.

7,216
LT8607EDC#TRPBF

Datasheet

- 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 42V 1.8V 12V 750mA 200kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-DFN (2x2)
LT8607EMSE#TRPBF

LT8607EMSE#TRPBF

IC REG BUCK ADJ 750MA 10MSOP

Analog Devices Inc.

3,365
LT8607EMSE#TRPBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 42V 1.8V 12V 750mA 200kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 10-MSOP-EP
MAX860IUA+T

MAX860IUA+T

IC REG CHARG PUMP INV 50MA 8UMAX

Analog Devices Inc./Maxim Integrated

2,693
MAX860IUA+T

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Ratiometric Positive or Negative Fixed 1 1.5V, 2.5V Charge Pump 5.5V -Vin, 2Vin - 50mA 6kHz, 50kHz, 130kHz - No - -25°C ~ 85°C (TA) Surface Mount 8-uMAX/uSOP
LM2670S-ADJ/NOPB

LM2670S-ADJ/NOPB

IC REG BUCK ADJ 3A TO263

Texas Instruments

774
LM2670S-ADJ/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-8, D2PAK (7 Leads + Tab), TO-263CA Tube Active Step-Down Positive Adjustable 1 8V Buck 40V 1.2V 37V 3A 260kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263 (DDPAK-7)
TPS54360DDA

TPS54360DDA

IC REG BCK SPLIT RAIL ADJ 8SOPWR

Texas Instruments

1,241
TPS54360DDA

Datasheet

Eco-Mode™ 8-PowerSOIC (0.154", 3.90mm Width) Tube Not For New Designs Step-Down Positive Adjustable 1 4.5V Buck, Split Rail 60V 0.8V 58.8V 3.5A 100kHz ~ 2.5MHz - No - -40°C ~ 150°C (TJ) Surface Mount 8-SO PowerPad
TPS546A24ARVFR

TPS546A24ARVFR

IC REG BUCK ADJ 10A 40LQFN

Texas Instruments

5,194
TPS546A24ARVFR

Datasheet

- 40-PowerLFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.95V Buck 18V 0.5V 5.5V 10A 255kHz ~ 1.5MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 40-LQFN-CLIP (7x5)
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Voltage Regulators - DC-DC Switching Regulators Overview

DC-DC Switching Regulators, also known as DC-DC converters, are essential components in modern power management systems. Unlike linear regulators that dissipate excess energy as heat, switching regulators use high-frequency switching elements and energy storage components (inductors, capacitors) to efficiently step up, step down, or invert voltage levels. This design enables conversion efficiency levels of 80–95% or higher, making them indispensable for portable electronics, industrial automation, automotive systems, and communication equipment.

Key Advantages

High Efficiency: By minimizing energy loss, DC-DC switching regulators extend battery life in mobile devices and reduce overall power consumption in embedded systems.
Flexibility: Available in buck (step-down), boost (step-up), buck-boost, and inverting topologies, they provide engineers with versatile solutions for a wide range of voltage conversion needs.
Compact Size: With the integration of control circuitry and optimized packaging, regulators are now available in ultra-small footprints such as QFN and TSSOP, enabling compact PCB designs.
Thermal Performance: Efficient energy transfer reduces heat generation, which is critical in high-density boards and automotive ECUs.

Typical Applications

Consumer Electronics: Smartphones, tablets, wearables, and gaming devices rely on DC-DC converters for stable operation of processors, memory, and RF modules.
Industrial Equipment: Used in factory automation, robotics, and sensor networks where stable power is critical.
Automotive Systems: Powertrain control modules, infotainment units, and ADAS (Advanced Driver Assistance Systems) require efficient DC-DC conversion to meet stringent performance and reliability standards.
Telecommunication & Networking: Routers, base stations, and IoT gateways integrate switching regulators to ensure consistent power delivery under variable loads.

Features to Consider

When selecting a DC-DC switching regulator, engineers should evaluate:
Input voltage range and output voltage accuracy
Maximum output current capability
Efficiency curves under various load conditions
Switching frequency and EMI performance
Package type and thermal dissipation
Compliance with RoHS/REACH and automotive AEC-Q100 standards

Inventory and Availability

At OEMSTOCK.COM, we maintain a broad selection of Voltage Regulators – DC-DC Switching Regulators from leading manufacturers such as Texas Instruments, Analog Devices, Nuvoton, and Nisshinbo Micro Devices. Products are available in multiple packages and stocked in significant quantities to support both prototype development and large-scale production. Our global sourcing network ensures competitive pricing and reliable lead times, while our RFQ system allows engineers and procurement teams to request customized quotations instantly.
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